1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
allochka39001 [22]
3 years ago
9

The major function of the placenta is to

Biology
2 answers:
beks73 [17]3 years ago
6 0

Answer:

(2) exchange food, oxygen, and waste between

mother and fetus

Explanation:

In most mammals like humans, the fetus produced as a result of the fertilization of the sperm and egg, develops in the uterus or womb of the female. However, this developing fetus cannot yet fend for what it requires for survival and is still dependent on the mother e.g nutrients, oxygen etc. How do this substances get to the fetus? Here comes the role of the PLACENTA.

Placenta is an organ in the uterus that serves as a connection between the mother and the fetus in her womb. The placenta enables the mother to pass digested nutrients to the fetus and exchange gases (oxygen and Carbondioxide) between them via the umbilical cord. The placenta also enables the mother remove waste produced by the fetus into her bloodstream.

Paul [167]3 years ago
6 0
The answer is 2) The major function of the placenta is to exchange food, oxygen, and waste between mother and fetus.
You might be interested in
Infer three functions of a plant cell that require energy in the form of ATP. (21 points)
Lelu [443]
Calvin cycle, cellular respiration, toxins neutralization? (Not sure about the last one)
5 0
3 years ago
Read 2 more answers
List the qualities of the atmosphere that make it safe and comfortable for people to live on this planet (use at least 5 sentenc
lilavasa [31]
Chlorofluorocarbons (CFCs) chemicals contain carbon, chlorine and fluorine and is t so expensive at the same time it’s not flammable, the reason why it is mainly used in business such as refrigerators and plastics. However, these chemicals destroys our stratosphere, the second layer of the Earth’s atmosphere and protects us by blocking the ultraviolet radiation (UV Light). This type of radiation can seep through organisms skins and can leave destructive effects on DNA molecules which will also cause skin cancer. Chlorofluorocarbons (CFCs) chemicals contain carbon, chlorine and fluorine and is t so expensive at the same time it’s not flammable, the reason why it is mainly used in business such as refrigerators and plastics. However, these chemicals destroys our stratosphere, the second layer of the Earth’s atmosphere and protects us by blocking the ultraviolet radiation (UV Light). This type of radiation can seep through organisms skins and can leave destructive effects on DNA molecules which will also cause skin cancer. <span> </span>
8 0
3 years ago
Cancer cells are *
vesna_86 [32]

Explanation:

4 is the correct answer if it helps you then plzz mark me brainliest

6 0
3 years ago
Read 2 more answers
If a person is hiv positive, why does he or she need to eat 10% more calories than do his or her noninfected counterparts
Ugo [173]
<span>These extra calories are needed by people with HIV because their immune system is constantly fighting off the HIV virus. This is because HIV attempts to evade the infection even as the immune system attempts to eradicate it. The  extra calories give the immune cells, which are extra strained, the energy to perform their functions.</span>




3 0
3 years ago
Where do spindle fibers attach to guide and separate chromosomes?
Scilla [17]
Answer: kinetochore
Spindle fibers  are aggregates of micro-tubules that move chromosomes during cell division. They attach to the kinetochore, a structure on chromatids, that when it's pulled separated sister chromatids. The kinetochore is a specialized protein complex found in the centromere of the chromosome.



5 0
4 years ago
Other questions:
  • Scale Piots.
    12·2 answers
  • GIVNG 45 POINTS :SCIENCE FLVS
    8·2 answers
  • Where do most phosphates and nitrates in the Chesapeake Bay come from?
    15·2 answers
  • TRY IT
    15·2 answers
  • Current cause warmer and cooler temperatures in the areas where they are located. 
    5·1 answer
  • Which feature is shown ONLY by higher invertebrates, as compared to lower invertebrates?
    14·1 answer
  • Jordan's grandmother uses the juice from squeezed lemons to remove stains from his shirt. He hypothesizes that the juice is the
    6·1 answer
  • What type of bond does an unequal sharing of electrons, resulting in a large difference in electronegativity, create?
    7·1 answer
  • (Psychology) NEED HELP!!!
    7·1 answer
  • What living systems have distinct structures and sets of functions? Be sure to refer to class notes for
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!